EP0346467A4 - Process for purifying hyaluronic acid - Google Patents
Process for purifying hyaluronic acidInfo
- Publication number
- EP0346467A4 EP0346467A4 EP19880900592 EP88900592A EP0346467A4 EP 0346467 A4 EP0346467 A4 EP 0346467A4 EP 19880900592 EP19880900592 EP 19880900592 EP 88900592 A EP88900592 A EP 88900592A EP 0346467 A4 EP0346467 A4 EP 0346467A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- hyaluronic acid
- purifying hyaluronic
- purifying
- purification
- separation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/006—Heteroglycans, i.e. polysaccharides having more than one sugar residue in the main chain in either alternating or less regular sequence; Gellans; Succinoglycans; Arabinogalactans; Tragacanth or gum tragacanth or traganth from Astragalus; Gum Karaya from Sterculia urens; Gum Ghatti from Anogeissus latifolia; Derivatives thereof
- C08B37/0063—Glycosaminoglycans or mucopolysaccharides, e.g. keratan sulfate; Derivatives thereof, e.g. fucoidan
- C08B37/0072—Hyaluronic acid, i.e. HA or hyaluronan; Derivatives thereof, e.g. crosslinked hyaluronic acid (hylan) or hyaluronates
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Abstract
A process for purifying hyaluronic acid, which comprises using a macroreticular anion-exchange resin in the separation and purification of hyaluronic acid from a solution containing it.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP1987/001044 WO1989006243A1 (en) | 1986-07-03 | 1987-12-26 | Process for purifying hyaluronic acid |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0346467A1 EP0346467A1 (en) | 1989-12-20 |
EP0346467A4 true EP0346467A4 (en) | 1990-11-28 |
Family
ID=13902975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19880900592 Withdrawn EP0346467A4 (en) | 1987-12-26 | 1987-12-26 | Process for purifying hyaluronic acid |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP0346467A4 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1274984B (en) * | 1994-12-09 | 1997-07-29 | Technopharma Sa | SOLUTIONS VISCOSIZED WITH SODIUM HYALURONATE FOR USE AS A MASK FLUID IN THERAPEUTIC PHOTOCERATECTOMY BY ACCIMER LASER |
KR19980080116A (en) * | 1997-03-27 | 1998-11-25 | 히라따 다다시 | Purification Method of Sodium Hyaluronate |
JP5689064B2 (en) * | 2008-10-27 | 2015-03-25 | ノバルティス アーゲー | Purification method |
CN102702385B (en) * | 2012-06-15 | 2014-02-12 | 山东省花生研究所 | Preparation method for extracting chitosan from holotrichia parallela |
CN109517012B (en) * | 2018-11-13 | 2020-05-22 | 华熙生物科技股份有限公司 | Preparation method of hyaluronic acid oligosaccharide |
CN113558127A (en) * | 2021-08-06 | 2021-10-29 | 陈奋 | Hyaluronic acid coffee soft drink and preparation method thereof |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0244757A2 (en) * | 1986-05-01 | 1987-11-11 | Kabushiki Kaisha Yakult Honsha | Novel production process of hyaluronic acid and bacterium strain therefor as well as cosmetic composition containing hyaluronic acid |
-
1987
- 1987-12-26 EP EP19880900592 patent/EP0346467A4/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0244757A2 (en) * | 1986-05-01 | 1987-11-11 | Kabushiki Kaisha Yakult Honsha | Novel production process of hyaluronic acid and bacterium strain therefor as well as cosmetic composition containing hyaluronic acid |
Non-Patent Citations (2)
Title |
---|
BIOCHIMICA ET BIOPHYSICA ACTA, vol. 24, 1957, pages 397-400, Amsterdam, NL; J.A. CIFONELLI et al.: "The purification of hyaluronic acid by the use of charcoal" * |
See also references of WO8906243A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP0346467A1 (en) | 1989-12-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE FR GB IT |
|
17P | Request for examination filed |
Effective date: 19900108 |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 19901010 |
|
AK | Designated contracting states |
Kind code of ref document: A4 Designated state(s): DE FR GB IT |
|
17Q | First examination report despatched |
Effective date: 19920513 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19920924 |